EP2813596A4 - HIGH STRENGTH TENSILE STEEL SHEET HAVING EXCELLENT LOW TEMPERATURE TENACITY IN THERMALLY WELDED AREAS, AND PROCESS FOR PRODUCING THE SAME - Google Patents

HIGH STRENGTH TENSILE STEEL SHEET HAVING EXCELLENT LOW TEMPERATURE TENACITY IN THERMALLY WELDED AREAS, AND PROCESS FOR PRODUCING THE SAME

Info

Publication number: EP2813596A4
Authority: EP; European Patent Office
Prior art keywords: producing; low temperature; steel sheet; high strength; same
Prior art date: 2011-02-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP12868309.1A

Other languages

German (de)

French (fr)

Other versions

EP2813596B1 (en

EP2813596A1 (en

Inventor

Masao Yuga

Shigeki Kitsuya

Yusuke Terazawa

Minoru Suwa

Kenji Hayashi

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

JFE Steel Corp

Original Assignee

JFE Steel Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2011-02-15

Filing date

2012-03-01

Publication date

2015-08-05

2012-03-01 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2014-12-17 Publication of EP2813596A1 publication Critical patent/EP2813596A1/en

2015-08-05 Publication of EP2813596A4 publication Critical patent/EP2813596A4/en

2016-11-09 Application granted granted Critical

2016-11-09 Publication of EP2813596B1 publication Critical patent/EP2813596B1/en

Status Active legal-status Critical Current

2032-03-01 Anticipated expiration legal-status Critical

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/001—Heat treatment of ferrous alloys containing Ni
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Heat Treatment Of Steel (AREA)

EP12868309.1A 2011-02-15 2012-03-01 High tensile steel plate having excellent low-temperature toughness in weld heat-affected zones, and method for producing same Active EP2813596B1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2011029276		2011-02-15
JP2012023954A JP5177310B2 (en)	2011-02-15	2012-02-07	High tensile strength steel sheet with excellent low temperature toughness of weld heat affected zone and method for producing the same
PCT/JP2012/055890 WO2013118313A1 (en)	2011-02-15	2012-03-01	High tensile steel plate having excellent low-temperature toughness in weld heat-affected zones, and method for producing same

Publications (3)

Publication Number	Publication Date
EP2813596A1 EP2813596A1 (en)	2014-12-17
EP2813596A4 true EP2813596A4 (en)	2015-08-05
EP2813596B1 EP2813596B1 (en)	2016-11-09

Family

ID=47014807

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12868309.1A Active EP2813596B1 (en)	2011-02-15	2012-03-01	High tensile steel plate having excellent low-temperature toughness in weld heat-affected zones, and method for producing same

Country Status (7)

Country	Link
US (1)	US9790579B2 (en)
EP (1)	EP2813596B1 (en)
JP (1)	JP5177310B2 (en)
KR (2)	KR102055039B1 (en)
CN (1)	CN104105810B (en)
SG (1)	SG11201403786TA (en)
WO (1)	WO2013118313A1 (en)

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CN104603313A (en) *	2012-09-06	2015-05-06	杰富意钢铁株式会社	Thick-walled, high tensile strength steel with excellent CTOD characteristics of the weld heat-affected zone, and manufacturing method thereof
CN105008569B (en) *	2013-02-28	2017-03-08	杰富意钢铁株式会社	Thick steel plate and method for manufacturing thick steel plate
JP5618037B1 (en)	2013-03-12	2014-11-05	Ｊｆｅスチール株式会社	Thick steel plate excellent in multi-layer welded joint CTOD characteristics and method for producing the same
US10023946B2 (en)	2013-03-12	2018-07-17	Jfe Steel Corporation	Thick steel sheet having excellent CTOD properties in multilayer welded joints, and manufacturing method for thick steel sheet
KR101791324B1 (en) *	2013-06-25	2017-10-27	제이에프이 스틸 가부시키가이샤	High-strength steel material having excellent fatigue properties, and method for producing same
KR101846759B1 (en) *	2013-12-12	2018-04-06	제이에프이 스틸 가부시키가이샤	Steel plate and method for manufacturing same
KR101937005B1 (en) *	2014-03-31	2019-01-09	제이에프이 스틸 가부시키가이샤	Weld joint
JP6245352B2 (en)	2014-03-31	2017-12-13	Ｊｆｅスチール株式会社	High-tensile steel plate and manufacturing method thereof
CN104073719A (en) *	2014-06-25	2014-10-01	宝山钢铁股份有限公司	High-strength welded steel pipe and manufacturing method thereof
CN105579602B (en)	2014-09-05	2017-11-24	杰富意钢铁株式会社	The steel plate and its manufacture method of multilayer welding point CTOD characteristic goods
CA2980983C (en) *	2015-03-27	2020-05-19	Jfe Steel Corporation	High-strength steel, method for manufacturing high-strength steel, steel pipe, and method for manufacturing steel pipe
KR101899694B1 (en) *	2016-12-23	2018-09-17	주식회사 포스코	Thick steel plate having excellent low-temperature impact toughness and ctod properties, and method for manufacturing the same
CN110651059B (en) *	2017-05-22	2021-05-07	杰富意钢铁株式会社	Thick steel plate and method of making the same
JP6816739B2 (en) *	2018-04-05	2021-01-20	Ｊｆｅスチール株式会社	Steel plate and its manufacturing method
CN110616300B (en) *	2018-06-19	2021-02-19	宝山钢铁股份有限公司	Low-temperature steel with excellent CTOD (carbon to steel) characteristics and manufacturing method thereof
TWI715852B (en) *	2018-07-11	2021-01-11	永鼎應用金屬股份有限公司	Austenitic alloy steel
CN112437816B (en) *	2018-07-27	2022-06-17	日本制铁株式会社	High-strength steel plate
WO2021054345A1 (en) *	2019-09-20	2021-03-25	Ｊｆｅスチール株式会社	Thick steel sheet, and method for producing same
JP7330862B2 (en) *	2019-11-01	2023-08-22	株式会社神戸製鋼所	High-strength steel sheet with excellent low-temperature toughness of base material and joint, and manufacturing method thereof
CN111286666B (en) *	2020-02-19	2021-06-22	包头钢铁（集团）有限责任公司	Cleanliness control method for IF deep drawing steel
JP7519202B2 (en)	2020-04-02	2024-07-19	株式会社神戸製鋼所	High-tensile steel plate with excellent base material toughness and joint toughness and its manufacturing method
CN113388782A (en) *	2021-06-03	2021-09-14	南京钢铁股份有限公司	Low-cost steel with tensile strength of 520MPa for welding structure and manufacturing method thereof
JP7493140B2 (en)	2022-02-03	2024-05-31	Ｊｆｅスチール株式会社	Steel plate and its manufacturing method
WO2023219146A1 (en) *	2022-05-12	2023-11-16	Ｊｆｅスチール株式会社	Steel sheet and method for manufacturing same
CN115323270A (en) *	2022-07-29	2022-11-11	南京钢铁股份有限公司	Low-temperature steel plate for VLGC ship and manufacturing method thereof

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JPH05195058A (en) *	1992-01-14	1993-08-03	Kobe Steel Ltd	Production of thick steel plate having high toughness and high tensile strength
JP2005281842A (en) *	2004-03-31	2005-10-13	Jfe Steel Kk	Manufacturing method of low yield ratio steel for low temperature with excellent weld toughness
WO2009072753A1 (en) *	2007-12-04	2009-06-11	Posco	High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof
WO2011096456A1 (en) *	2010-02-08	2011-08-11	新日本製鐵株式会社	Production method for thick steel plate
WO2011099408A1 (en) *	2010-02-15	2011-08-18	新日本製鐵株式会社	Production method for thick steel plate
EP2407570A1 (en) *	2009-03-12	2012-01-18	Sumitomo Metal Industries, Ltd.	Hic-resistant thick steel sheet and uoe steel pipe

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2012
- 2012-02-07 JP JP2012023954A patent/JP5177310B2/en active Active
- 2012-03-01 KR KR1020167019503A patent/KR102055039B1/en active Active
- 2012-03-01 SG SG11201403786TA patent/SG11201403786TA/en unknown
- 2012-03-01 KR KR1020147022966A patent/KR20140117560A/en not_active Ceased
- 2012-03-01 US US14/377,088 patent/US9790579B2/en active Active
- 2012-03-01 CN CN201280069269.4A patent/CN104105810B/en active Active
- 2012-03-01 WO PCT/JP2012/055890 patent/WO2013118313A1/en not_active Ceased
- 2012-03-01 EP EP12868309.1A patent/EP2813596B1/en active Active

Patent Citations (6)

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Publication number	Priority date	Publication date	Assignee	Title
JPH05195058A (en) *	1992-01-14	1993-08-03	Kobe Steel Ltd	Production of thick steel plate having high toughness and high tensile strength
JP2005281842A (en) *	2004-03-31	2005-10-13	Jfe Steel Kk	Manufacturing method of low yield ratio steel for low temperature with excellent weld toughness
WO2009072753A1 (en) *	2007-12-04	2009-06-11	Posco	High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof
EP2407570A1 (en) *	2009-03-12	2012-01-18	Sumitomo Metal Industries, Ltd.	Hic-resistant thick steel sheet and uoe steel pipe
WO2011096456A1 (en) *	2010-02-08	2011-08-11	新日本製鐵株式会社	Production method for thick steel plate
WO2011099408A1 (en) *	2010-02-15	2011-08-18	新日本製鐵株式会社	Production method for thick steel plate

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013118313A1 *

Also Published As

Publication number	Publication date
EP2813596B1 (en)	2016-11-09
US9790579B2 (en)	2017-10-17
CN104105810B (en)	2017-03-01
CN104105810A (en)	2014-10-15
US20150075682A1 (en)	2015-03-19
KR20160090399A (en)	2016-07-29
SG11201403786TA (en)	2014-11-27
JP2012184500A (en)	2012-09-27
JP5177310B2 (en)	2013-04-03
EP2813596A1 (en)	2014-12-17
KR102055039B1 (en)	2019-12-11
KR20140117560A (en)	2014-10-07
WO2013118313A1 (en)	2013-08-15

Legal Events

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